Display screen or portion thereof with transitional graphical user interface



FIG. 1 is the first image in a sequence for a display screen or portionthereof with transitional graphical user interface showing our newdesign;

FIG. 2 is the second image thereof;

FIG. 3 is the third image thereof;

FIG. 4 is the fourth image thereof;

FIG. 5 is the fifth image thereof;

FIG. 6 is the sixth image thereof;

FIG. 7 is the seventh image thereof;

FIG. 8 is the eighth image thereof;

FIG. 9 is the ninth image thereof;

FIG. 10 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 1;

FIG. 11 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 2;

FIG. 12 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 3;

FIG. 13 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 4;

FIG. 14 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 5;

FIG. 15 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 6;

FIG. 16 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 7;

FIG. 17 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 8; and,

FIG. 18 is an enlarged view of the claimed region of the display screenor portion thereof with transitional graphical user interface shown inFIG. 9.

In the drawings, the broken lines show a display screen or portionthereof with transitional graphical user interface and form no part ofthe claimed design. In FIGS. 10-18 the dot-dash lines represent theboundaries of the claimed design.

The appearance of the display screen or portion thereof withtransitional graphical user interface sequentially transitions betweenthe images shown in FIGS. 1-9 and in FIGS. 10-18. The process or periodin which one image transitions to another forms no part of the claimeddesign.

CLAIM We claim the ornamental design for a display screen or portionthereof with transitional graphical user interface, as shown anddescribed.